Hold "s" the start Arrow keys to move Press "f" to fire proton stream Trapping is automatic Press "s" to spawn a new Slimer after capture. See How many you can catch before your are slimed.
I decided just to release an updated version of the game instead of make all the necessary changes to the original. UPDATE 11-14-13 Version 1.0 Background modified and detail added, trap appearance altered. UPDATE 11-25-13 Massive Updating for version 1.1 Ghostbuster controls reprogrammed. Slimer movements reprogrammed. Score keeper, sliming, and game over sequences added.